barriers: Support line and ray barriers

This allows clients to add barriers that extend to the edge of the
screen. Clients are encouraged to use these instead of precise coordinates
in these cases to help prevent pointer leaks.

Signed-off-by: Jasper St. Pierre <jstpierre@mecheye.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 26 insertions, 0 deletions

diff --git a/test/fixes.c b/test/fixes.c
index 7807c73ce..4ac6750e4 100644
--- a/test/fixes.c
+++ b/test/fixes.c
@@ -265,6 +265,32 @@ fixes_pointer_barriers_test(void)
     x2 = x + 100;
     assert(!barrier_is_blocking(&barrier, x1, y1, x2, y2, &distance));
 
+    /* ray vert barrier */
+    barrier.x1 = x;
+    barrier.x2 = x;
+    barrier.y1 = -1;
+    barrier.y2 = y + 100;
+
+    /* ray barrier simple case */
+    y1 = y;
+    y2 = y;
+    x1 = x + 50;
+    x2 = x - 50;
+    assert(barrier_is_blocking(&barrier, x1, y1, x2, y2, &distance));
+
+    /* endpoint outside y range; should be blocked */
+    y1 = y - 1000;
+    y2 = y - 1000;
+    x1 = x + 50;
+    x2 = x - 50;
+    assert(barrier_is_blocking(&barrier, x1, y1, x2, y2, &distance));
+
+    /* endpoint outside y range */
+    y1 = y + 150;
+    y2 = y + 150;
+    x1 = x + 50;
+    x2 = x - 50;
+    assert(!barrier_is_blocking(&barrier, x1, y1, x2, y2, &distance));
 }
 
 static void